Seagate ST3250310SV - 250GB 7200RPM Sata Surveillanc Manuel d'utilisateur Page 60

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48
Port Name
Function
NO1 to NO3
3-ch alarm
output port
3 groups of alarm output ports. (Group 1
port NO1C1,Group 2:port NO2
C2,Group 3:port NO3C3).Output
alarm signal to the alarm device. Please
make sure there is power to the external
alarm device.
NONormal open alarm output port.
CAlarm output public end.
C1 to C3
A
RS485
(RS-485)
communication
port
RS485_A port. It is the cable A. You can
connect to the control devices such as speed
dome PTZ.
B
RS485_B.It is the cable B. You can connect
to the control devices such as speed dome
PTZ.
Power input
port
Input 12V DC.
Power button
/
Power on/off button.
PoE PORTS
/
Built-in Switch supports PoE function.
The 4 PoE ports series product supports
total 48V 50W.
The 8 PoE ports series product supports
total 48V 120W.
Power input
port
Switch power port. Input DC 48V/1.04A
(32-P) or DC 48V/2.5A (32-8P).
VIDEO OUT
Video input
port
CVBS output
MIC IN
Audio input
port
Bidirectional talk input port. It is to receive
the analog audio signal output from the
devices such as mike phone, pickup.
MIC OUT
Audio output
port
Audio output port. It is to output the analog
audio signal to the devices such as the
sound box.
Bidirectional talk output.
Audio output on 1-window video
monitor.
Audio output on 1-window video
playback.
2.2.8 NVR32V/32V-P Series
The NVR32V series rear panel is shown as below. See Figure 2-27.
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